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Solve the Problem What Percentage of Those That Were Lying Were Found to a Polygraph

Question 14

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Solve the problem.
-The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the Table to answer the question.  Test finds  student lying  Test finds  student truthful  Total  Has cheated 841397 Has not cheated 19817051903 Total 28217182000\begin{array} { l | c c c } & \begin{array} { c } \text { Test finds } \\\text { student lying }\end{array} & \begin{array} { c } \text { Test finds } \\\text { student truthful }\end{array} & \text { Total } \\\hline \text { Has cheated } & 84 & 13 & 97 \\\text { Has not cheated } & 198 & 1705 & 1903 \\\text { Total } & 282 & 1718 & 2000\end{array} What percentage of those that were lying were found to be truthful?


A) 29.8%
B) 0.8%
C) 13.4%
D) 10.4%

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